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SW122500E_17 Datasheet, PDF (1/1 Pages) Shenzhen Sunnyway Battery Tech Co.Ltd. – Constant Current(Amp) and Constant Power(Watt) Discharge Table at 25
SHENZHEN SUNNYWAY BATTERY TECH CO.,LTD.
R
SW122500E(12V250AH)
Outer dimensions (mm)
520
268
SW122500
12V250AH
Specifications
Nominal Voltage
12V
Rated capacity (10 hour rate)
250 Ah
Total Height 249 mm (9.80inches)
Dimensions
Height
Length
220 mm (8.66 inches)
520 mm (20.47 inches)
Width
268 mm (10.55 inches)
Weight Approx
70 Kg (154.3lbs)
Terminal Type (mm)
3
φ9
25
M8 BOLT&NUT
Characteristics
Capacity
25℃(77℉)
10 hour rate(25.0 A)
5 hour rate(40.0 A)
1 hour rate(137.5 A)
250 AH
200AH
137.5 AH
1.5 hour discharge to 10.5V
100 A
Internal ResistanceFull charged Battery at 25℃(77℉) 4.5 mΩ
Capacity
affected
by Temperature
(10hour rate)
40℃(104℉)
25℃(77℉)
0℃(32℉)
-15℃(5℉)
102%
100%
85%
65%
Capacity after 3 month storage
Self-Discharge Capacity after 6 month storage
at 25℃(77℉)
Capacity after 12 month storage
91%
82%
64%
Terminal
T11、T19
Charge
Initial Charging Current less than 62.5 A
Cycle
(constant
Voltage 14.10-14.40V
Voltage) Float
Voltage 13.50-13.80V
Discharge Curves 25℃(77℉)
13.8
13.2
12.6
12.0
11.4
10.8
10.2
9.6
9.0
8.4
7.8
125A 50A 25A
250A
495A
1 2 4 6 8 102040602 4 6 8 10 20 40
(Min)
(h)
Time
A
9.60V
W
A
10.20V
W
A
10.50V
W
A
10.80V
W
A
11.10V
W
Constant Current(Amp) and Constant Power(Watt) Discharge Table at 25℃(72℉)
10min 30min
1h
2h
3h
4h
5h
8h
495.0
272.5
148.8
86.5
64.5
50.0
41.4
29.0
5247
2902
1592
934
703
550
454.9
321.4
470.0
270.0
140.0
82.5
62.5
48.8
40.5
28.4
5170
2984
1554
924
706
553
460
323
445.0
252.5
136.3
80.5
61.0
48.0
40.0
28.1
4984
2841
1540
918
698
552
460
323
420.0
232.5
131.3
78.5
59.5
47.3
39.0
27.4
4767
2651
1503
907
690
550
454
319
395.0
207.5
123.8
76.5
57.5
45.8
38.0
26.7
4543
2397
1436
895
676
541
448
315
10h
27.5
305.3
25.9
294
25.5
293
25.0
291
24.4
288
20h
14.3
159.6
14.0
159
13.8
159
13.7
159
13.5
159
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